<template>
  <Dialog v-model="dialogVisible" :title="dialogTitle">
    <el-form
      ref="formRef"
      v-loading="formLoading"
      :model="formData"
      :rules="formRules"
      label-width="80px"
    >
      <el-form-item label="职能" prop="org">
        <el-select v-model="formData.org" placeholder="请选择职能" size="large" @change="orgChange">
          <el-option v-for="(item, index) in orgList" :key="index" :label="item" :value="item" />
        </el-select>
      </el-form-item>
      <el-form-item label="职能名称" prop="orgName">
        <el-input v-model="formData.orgName" placeholder="请输入职能名称" />
      </el-form-item>
      <el-form-item label="职级" prop="level">
        <el-select v-model="formData.level" placeholder="请选择职级" size="large">
          <el-option v-for="(item, index) in levelList" :key="index" :label="item" :value="item" />
        </el-select>
      </el-form-item>
      <el-form-item label="职级名称" prop="levelName">
        <el-input v-model="formData.levelName" placeholder="请输入职级名称" />
      </el-form-item>
      <el-form-item label="权限设置" prop="menuIds">
        <el-card class="cardHeight">
          <template #header>
            全选/全不选:
            <el-switch
              v-model="treeNodeAll"
              active-text="是"
              inactive-text="否"
              inline-prompt
              @change="handleCheckedTreeNodeAll"
            />
            全部展开/折叠:
            <el-switch
              v-model="menuExpand"
              active-text="展开"
              inactive-text="折叠"
              inline-prompt
              @change="handleCheckedTreeExpand"
            />
          </template>
          <el-tree
            ref="treeRef"
            :data="menuOptions"
            :props="defaultProps"
            empty-text="加载中，请稍候"
            node-key="id"
            show-checkbox
          />
        </el-card>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script lang="ts" setup>
import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
import { CommonStatusEnum } from '@/utils/constants'
import * as RoleApi from '@/api/system/role'
import { GetOrgList, GetLevelList, orgListAllSimple } from '@/api/system/org'
import { enterpriseOrgGet, enterpriseOrgUpdate } from '@/api/enterprise/org'
import { defaultProps, handleTree } from '@/utils/tree'
import * as MenuApi from '@/api/system/menu'

defineOptions({ name: 'SystemRoleForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const treeRef = ref() // 菜单树组件 Ref
const menuOptions = ref<any[]>([]) // 菜单树形结构
const menuExpand = ref(false) // 展开/折叠
const treeNodeAll = ref(false) // 全选/全不选

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
  id: undefined,
  org: '',
  orgName: '',
  level: '',
  levelName: '',
  menuIds: undefined
})
const formRules = reactive({
  org: [{ required: true, message: '职能不能为空', trigger: 'change' }],
  level: [{ required: true, message: '职级不能为空', trigger: 'change' }],
  orgName: [{ required: true, message: '职能名称不能为空', trigger: 'blur' }],
  levelName: [{ required: true, message: '职级名称不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref

/** 全选/全不选 */
const handleCheckedTreeNodeAll = () => {
  treeRef.value.setCheckedNodes(treeNodeAll.value ? menuOptions.value : [])
}

/** 展开/折叠全部 */
const handleCheckedTreeExpand = () => {
  const nodes = treeRef.value?.store.nodesMap
  for (let node in nodes) {
    if (nodes[node].expanded === menuExpand.value) {
      continue
    }
    nodes[node].expanded = menuExpand.value
  }
}

// 职能列表
const orgList = ref([])
const apiGetOrgList = async () => {
  orgList.value = await GetOrgList()
}

const orgChange = () => {
  if (formData.value.level) formData.value.level = ''
  apiGetLevelList()
}

// 职级列表
const levelList = ref([])
const apiGetLevelList = async () => {
  levelList.value = await GetLevelList(formData.value.org)
}

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true

  menuOptions.value = handleTree(await orgListAllSimple())

  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  apiGetOrgList()
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await enterpriseOrgGet(id)
      apiGetLevelList()
      // 设置选中
      formData.value.menuIds.forEach((menuId: number) => {
        treeRef.value.setChecked(menuId, true, false)
      })
    } finally {
      formLoading.value = false
    }
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    org: '',
    level: '',
    fileName: '',
    fileUrl: ''
  }
  formRef.value?.resetFields()
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  if (!formRef) return
  const valid = await formRef.value.validate()
  if (!valid) return
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as RoleApi.RoleVO
    if (formType.value === 'create') {
    } else {
      await enterpriseOrgUpdate({
        ...data,
        menuIds: [
          ...(treeRef.value.getCheckedKeys(false) as unknown as Array<number>), // 获得当前选中节点
          ...(treeRef.value.getHalfCheckedKeys() as unknown as Array<number>) // 获得半选中的父节点
        ]
      })
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}
</script>
<style lang="scss" scoped>
.cardHeight {
  width: 100%;
  max-height: 400px;
  overflow-y: scroll;
}
</style>
